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https://issues.apache.org/jira/browse/YARN-7822?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16343108#comment-16343108
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Weiwei Yang commented on YARN-7822:
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Thanks [~asuresh]
{quote}Maybe instead of stating in the doc that "we do not allow more than max
target tags at the node", we should re-word it as "placement will be made only
if, at the time evaluation, only UPTO a max of target tags exist on the node
{quote}
Thanks for the explanation, I don't fully get it but I think this is something
specifically related to the code. In this case, I agree we should make sure the
doc up-to-date. Just took a look at the doc in YARN-7780, it still states like
{noformat}
For example, \{@code cardinality(NODE, 3, 10, "zk")} is satisfied on nodes
where there are no less than 3 allocations with tag "zk" and no more than 10.
{noformat}
v4 patch uploaded, fixed checkstyle and removed FIXME. The failed test case is
not related to this patch, it runs cleanly on my local env.
Please take a look.
Thanks.
> Constraint satisfaction checker support for composite OR and AND constraints
> ----------------------------------------------------------------------------
>
> Key: YARN-7822
> URL: https://issues.apache.org/jira/browse/YARN-7822
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Arun Suresh
> Assignee: Weiwei Yang
> Priority: Major
> Attachments: YARN-7822-YARN-6592.001.patch,
> YARN-7822-YARN-6592.002.patch, YARN-7822-YARN-6592.003.patch,
> YARN-7822-YARN-6592.004.patch
>
>
> JIRA to track changes to {{PlacementConstraintsUtil#canSatisfyConstraints}}
> handle OR and AND Composite constaints
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